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NEET 2026 · Combination of Capacitors

Combination of Capacitors question from NEET 2026

Q16NEET 2026Medium

Combination of Capacitors

Five capacitors of capacitances

C1=C2=C3=C4=10 μFC_1 = C_2 = C_3 = C_4 = 10\ \mu\text{F} and C5=2.5 μFC_5 = 2.5\ \mu\text{F} are connected as shown, along with a battery of 50 V.

Figure

The equivalent capacitance and the charges on each capacitor respectively are:

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Answer: (b)

  1. C1C_1 to C4C_4 are in series: 104=2.5 μF\frac{10}{4} = 2.5\ \mu\text{F}; this chain is in parallel with C5C_5 across the battery.
  2. Ceq=2.5+2.5=5 μFC_{eq} = 2.5 + 2.5 = 5\ \mu\text{F}
  3. Charge on each of C1C_1 to C4C_4 (series): 2.5×50=125 μC2.5\times 50 = 125\ \mu\text{C}.
  4. Charge on C5C_5: 2.5×50=125 μC2.5\times 50 = 125\ \mu\text{C}.
  5. So the answer is (b) 5 μF5\ \mu\text{F}, 125 μC125\ \mu\text{C} on all.
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